package com.jewelry.crm.model.dao;

import com.jewelry.crm.model.domain.User;
import java.sql.SQLException;
import java.util.Collection;

public interface  UserDao {
    public void addUser(User user) throws SQLException;
    public void updateUser(User user) throws SQLException;
    public User getUserById(Long user_id) throws SQLException;
    public Collection getAllUsers() throws SQLException;
    public void deleteUser(User user) throws SQLException;
}
